Battery vent adapter



FIG. 1 is an overhead perspective view of the battery vent adapter showing our new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a back elevation view thereof;

FIG. 7 is a right side elevation view thereof; and,

FIG. 8 is a left side elevation view thereof.

The broken lines immediately adjacent to the shaded areas that circumscribe and define unshaded regions represent the bounds of the claimed design and form no part of the claimed design. The unshaded area within the boundary forms no part of the claimed design. 

CLAIM The ornamental design for a battery vent adapter, as shown and described herein. 